Free Online PDF Watermark Tool

Add custom text watermarks to your PDFs. Adjustable opacity, rotation, and size.

Add Watermarks to PDF Files

Protect your PDF documents with custom watermarks. Add text watermarks with adjustable opacity, rotation, and size. Perfect for adding copyright notices, confidential stamps, or branding to your documents. Free, secure, and works directly in your browser.

Drop your PDF here to watermark

Maximum file size: 50MB. Protect your documents.

Your files are processed securely and automatically deleted after 1 hour. We respect your privacy.